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Tenses时态TengLiJimoftengoesswimming.Jim经常去游泳。去年Jim在这里工作。Jimworkedherelastyear.Jim现在正在上英语课。JimishavinganEnglishclassnow.昨天的这个时候Jim在跑步。Jimwasrunningatthistimeyesterday.PresentSimple一般现在时态PastSimple一般过去时态PresentContinuous现在进行时态PastContinuous过去进行时态SimplePresent一般现在时态Whendoweusethesimplepresenttense?1.当需要表示经常或习惯性的动作时。eg：每天早上我爸都要看报纸。Myfathereverymorning.readsnewspapers我经常饭后散步。Ioftenaftermeals.goforawalk当主语为第三人称单数时，记得将谓语动词变成相应三单形式(详见7上122页)。时间状语通常是表示频率的词，比如：sometimes,often,every......SimplePresentWhendoweusethesimplepresenttense?2.当需要表示现在的状态或特征时。eg：我妈妈是老师。Mymom.isateacherSally有一双大眼睛。Sally'seyes.arebig当谓语动词为be动词时，根据主语的人称和单复数选择相应的am/is/are.SimplePresentWhendoweusethesimplepresenttense?3.当需要表示真理时。eg：地球绕着太阳转。Theeartharoundthesun.travels夏天在春天之后到来。Summerafterspring.comes当主语为第三人称单数时，记得将谓语动词变成相应三单形式。SimplePresentHelikesplayingthepiano.他喜欢弹钢琴。否定句Hedoesn'tlikeplayingthepiano.一般疑问句Doeshelikeplayingthepiano?对第一句的playingthepiano提问Whatdoeshelike？Yes,hedoes./No,hedoesn't.SimplePresentShowyourexampleSimplePresent1.MissGuo______(teach)usChinesethisterm.She______(be)averygoodteacher.Sheoften______(talk)withusafterclass.Manyofus______(like)totalkwithher.2.-Where______theirfather______(work)?-He______(work)onafarm.3.-Whattime______theshop______(close)?-It_____(close)atnineo'clockintheevening.4.-___(be)heontimeeveryday-Yes,./No,.5.He______(noteat)fastfoodbecauseit'sbad.teachesistalkslikedoworkworksdoescloseclosesIsdoesn'teatheisheisn't在含有时间或条件状语从句的句子中，要遵循“主将从现”的原则。1.We'llgoswimmingiftheweather______finetomorrow.A.isB.wasC.willbeD.isgoingtobe2.Willyoucallmewhenthey______atthehall?A.willarriveB.arriveC.arrivedD.isarrivingSimplePast一般现在时态Whendoweusethesimplepasttense?1.当需要表示过去经常或反复发生的动作时。eg：去年他经常来看我。Heoftenlastyear.cametovisitme我以前总是熬夜。Ialwaysinthepast.stayedup谓语动词要使用过去式（规则动词变形方法详见7下122页，不规则动词变形须牢记）。SimplePastWhendoweusethesimplepasttense?2.当需要表示过去某个时间发生的动作或状态时。eg：去年他12岁。He12lastyear.was他们上个星期去武汉了。TheyWuhanlastweek.wentto当谓语动词为be动词时，根据主语的人称和单复数选择相应的was/were.SimplePastHelikedplayingthepianobefore.他以前喜欢弹钢琴。否定句Hedidn'tlikeplayingthepianobefore.一般疑问句Didhelikeplayingthepianobefore?对第一句的playingthepiano提问Whatdidhelikebefore？Yes,hedid./No,hedidn't.SimplePastShowyourexample1.I________(buy)anewdictionarythedaybeforeyesterday.2.-What____you(do)yesterday?-I_______(goshopping).3.They________(be)herehalfanhourago.4.________youoften_______(play)gameslastterm？5.She_____________(notreturn)methebookyesterday.6.Thegirl______(get)upveryearlythismorning.7.They_______(take)photosneartheriveranhourago.8.We___________(notwatch)TVyesterday.boughtdidwentshoppingwereplaydidn'treturngottookdidn'twatchdoDidSimplePastPresentContinuous现在进行时态Whendoweusethepresentcontinuoustense?1.当需要表示现在正在发生或进行的动作时。eg：现在他们在跳舞。Theynow.aredancingTom此刻正在做作业。Tomhomeworkatthemoment.isdoing此时态中谓语动词需为延续性动词，其变形为v.-ing方法详见7下121页。此时时间状语常为now,atthemoment......PresentContinuousStructuream/is/are+现在分词(v.-ing)Whendoweusethepresentcontinuoustense?2.当需要表示当前一段时间内的活动或现阶段正在进行的动作时。eg：我在清江外国语学校学习。IinQingjiangForeignLanguageSchool.amstudying我们打算明天去野餐。Wehaveapicnictomorrow.aregoingtoPresentContinuous3.某些位移动词常用现在进行时表将来，有“意图，安排，打算”的含义。Heisplayingthepianonow.他现在正在弹钢琴。否定句Heisn'tplayingthepianonow.一般疑问句Isheplayingthepianonow?对第一句的playingthepiano提问Whatishedoingnow？Yes,heis./No,heisn't.PresentContinuousShowyourexample1.Look!Theboy______withhismotherinthepool.A.wasswimmingB.isswimmingC.areswimmingD.areswiming2.-WhatisTomdoingintheclassroom?-He______somethingontheblackboard.A.drawsB.drawC.isdrawingD.aredrawing.3.It'steno'clockandJack______still______hishomework.A.is,doB.is,doingC.are,doD.are,doing4.I______aletter,soIcan’tgooutwithyou.A.iswritingB.amwriteingC.amwritingD.amwritting5.Don’tmakesomuchnoise.We_____tothemusic.A.arelisteningB.listenC.listenedD.havelistenedPresentContinuous-Whatareyoudoingnow?-WearehavingourEnglishclassnow.PresentContinuous现在进行时态Structure:am/is/are+现在分词(v.-ing)-Whatwereyoudoingatthistimeyesterday?-WewerehavingourEnglishclass,too.PastContinuous过去进行时态Structure:was/were+现在分词(v.-ing)PastContinuous过去进行时态Whendoweusethepastcontinuoustense?1.当需要表示过去某个时间点正在进行的动作时。eg：昨天晚上8点我爸在看电视。Myfatherat8:00lastnight.waswatchingTV我今早上走的时候他在看报纸。HewhenIleftthismorning.wasreadinganewspaper此时的时间状语通常是表示过去某个时间点，比如：atthis/thattime,atthatmoment,then,at~o'clock,whensb.didsth...PastContinuousWhendoweusethepastcontinuoustense?2.当需要表示过去某段时间内持续进行的动作时。eg：昨晚8点到9点我们在玩游戏。Wefrom8:00to9:00lastnight.wereplayinggames我妈妈今天整个上午都在打扫卫生。Mymomthewholemorningtoday.wasdoingsomecleaning此时的时间状语通常是表示过去某个时间段，比如：from...to...,thewhole...,while...PastContinuousHewasplayingthepianoatthattime.他那时候在弹钢琴。否定句Hewasnotplayingthepianoatthattime.一般疑问句Washeplayingthepianoatthattime？对第一句的wasplayingthepiano提问Whatwashedoingatthattime？Yes,hewas./No,hewasn't.PastContinuousShowyourexample1.What_____yourgrandfather_____atthistimeyesterday?A.is...doingB.was...doingC.did..doD.had...done2.____you______ameetingatfouryesterdayafternoon?A.Were...havingB.Was...havingC.Did...haveD.Do...have3.-Icalledyouathalfpasteightlastnight,butnobodyanswered.-Oh,I______inmyofficeatthattime.A